LXR linux/drivers/net/wireless/st/cw1200/pm.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Mac80211 power management interface for ST-Ericsson CW1200 mac80211 drivers
   4 *
   5 * Copyright (c) 2011, ST-Ericsson
   6 * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
   7 */
   8
   9#ifndef PM_H_INCLUDED
  10#define PM_H_INCLUDED
  11
  12/* ******************************************************************** */
  13/* mac80211 API                                                         */
  14
  15/* extern */  struct cw1200_common;
  16/* private */ struct cw1200_suspend_state;
  17
  18struct cw1200_pm_state {
  19        struct cw1200_suspend_state *suspend_state;
  20        struct timer_list stay_awake;
  21        struct platform_device *pm_dev;
  22        spinlock_t lock; /* Protect access */
  23};
  24
  25#ifdef CONFIG_PM
  26int cw1200_pm_init(struct cw1200_pm_state *pm,
  27                    struct cw1200_common *priv);
  28void cw1200_pm_deinit(struct cw1200_pm_state *pm);
  29int cw1200_wow_suspend(struct ieee80211_hw *hw,
  30                       struct cfg80211_wowlan *wowlan);
  31int cw1200_can_suspend(struct cw1200_common *priv);
  32int cw1200_wow_resume(struct ieee80211_hw *hw);
  33void cw1200_pm_stay_awake(struct cw1200_pm_state *pm,
  34                          unsigned long tmo);
  35#else
  36static inline void cw1200_pm_stay_awake(struct cw1200_pm_state *pm,
  37                                        unsigned long tmo)
  38{
  39}
  40static inline int cw1200_can_suspend(struct cw1200_common *priv)
  41{
  42        return 0;
  43}
  44#endif
  45#endif
  46